General Pump Y21015423 Brass Adjustable Chemical Injector - 3650 PSI, 4-5.3 GPM, 3/8 MNPT
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Downstream chemical injector with a flow range from 4 to 5.3 GPM. Brass body with stainless steel inner parts and Viton O-rings. 3650 PSI, 3/8" MNPT x 3/8" MNPT inlet and outlet ports, 5/16" hose barb.
Use the General Pump Y21015423 Injector to add accurate doses of chemical to water downstream from your pump. The amount of chemical draw can be changed by turning the adjustment knob, with flow rates from 4 to 5.3 GPM.